diff options
Diffstat (limited to 'drivers/media/IR/nuvoton-cir.c')
| -rw-r--r-- | drivers/media/IR/nuvoton-cir.c | 1246 |
1 files changed, 0 insertions, 1246 deletions
diff --git a/drivers/media/IR/nuvoton-cir.c b/drivers/media/IR/nuvoton-cir.c deleted file mode 100644 index 301be53aee85..000000000000 --- a/drivers/media/IR/nuvoton-cir.c +++ /dev/null @@ -1,1246 +0,0 @@ -/* - * Driver for Nuvoton Technology Corporation w83667hg/w83677hg-i CIR - * - * Copyright (C) 2010 Jarod Wilson <jarod@redhat.com> - * Copyright (C) 2009 Nuvoton PS Team - * - * Special thanks to Nuvoton for providing hardware, spec sheets and - * sample code upon which portions of this driver are based. Indirect - * thanks also to Maxim Levitsky, whose ene_ir driver this driver is - * modeled after. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - * USA - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/pnp.h> -#include <linux/io.h> -#include <linux/interrupt.h> -#include <linux/sched.h> -#include <linux/slab.h> -#include <linux/input.h> -#include <media/ir-core.h> -#include <linux/pci_ids.h> - -#include "nuvoton-cir.h" - -static char *chip_id = "w836x7hg"; - -/* write val to config reg */ -static inline void nvt_cr_write(struct nvt_dev *nvt, u8 val, u8 reg) -{ - outb(reg, nvt->cr_efir); - outb(val, nvt->cr_efdr); -} - -/* read val from config reg */ -static inline u8 nvt_cr_read(struct nvt_dev *nvt, u8 reg) -{ - outb(reg, nvt->cr_efir); - return inb(nvt->cr_efdr); -} - -/* update config register bit without changing other bits */ -static inline void nvt_set_reg_bit(struct nvt_dev *nvt, u8 val, u8 reg) -{ - u8 tmp = nvt_cr_read(nvt, reg) | val; - nvt_cr_write(nvt, tmp, reg); -} - -/* clear config register bit without changing other bits */ -static inline void nvt_clear_reg_bit(struct nvt_dev *nvt, u8 val, u8 reg) -{ - u8 tmp = nvt_cr_read(nvt, reg) & ~val; - nvt_cr_write(nvt, tmp, reg); -} - -/* enter extended function mode */ -static inline void nvt_efm_enable(struct nvt_dev *nvt) -{ - /* Enabling Extended Function Mode explicitly requires writing 2x */ - outb(EFER_EFM_ENABLE, nvt->cr_efir); - outb(EFER_EFM_ENABLE, nvt->cr_efir); -} - -/* exit extended function mode */ -static inline void nvt_efm_disable(struct nvt_dev *nvt) -{ - outb(EFER_EFM_DISABLE, nvt->cr_efir); -} - -/* - * When you want to address a specific logical device, write its logical - * device number to CR_LOGICAL_DEV_SEL, then enable/disable by writing - * 0x1/0x0 respectively to CR_LOGICAL_DEV_EN. - */ -static inline void nvt_select_logical_dev(struct nvt_dev *nvt, u8 ldev) -{ - outb(CR_LOGICAL_DEV_SEL, nvt->cr_efir); - outb(ldev, nvt->cr_efdr); -} - -/* write val to cir config register */ -static inline void nvt_cir_reg_write(struct nvt_dev *nvt, u8 val, u8 offset) -{ - outb(val, nvt->cir_addr + offset); -} - -/* read val from cir config register */ -static u8 nvt_cir_reg_read(struct nvt_dev *nvt, u8 offset) -{ - u8 val; - - val = inb(nvt->cir_addr + offset); - - return val; -} - -/* write val to cir wake register */ -static inline void nvt_cir_wake_reg_write(struct nvt_dev *nvt, - u8 val, u8 offset) -{ - outb(val, nvt->cir_wake_addr + offset); -} - -/* read val from cir wake config register */ -static u8 nvt_cir_wake_reg_read(struct nvt_dev *nvt, u8 offset) -{ - u8 val; - - val = inb(nvt->cir_wake_addr + offset); - - return val; -} - -#define pr_reg(text, ...) \ - printk(KERN_INFO KBUILD_MODNAME ": " text, ## __VA_ARGS__) - -/* dump current cir register contents */ -static void cir_dump_regs(struct nvt_dev *nvt) -{ - nvt_efm_enable(nvt); - nvt_select_logical_dev(nvt, LOGICAL_DEV_CIR); - - pr_reg("%s: Dump CIR logical device registers:\n", NVT_DRIVER_NAME); - pr_reg(" * CR CIR ACTIVE : 0x%x\n", - nvt_cr_read(nvt, CR_LOGICAL_DEV_EN)); - pr_reg(" * CR CIR BASE ADDR: 0x%x\n", - (nvt_cr_read(nvt, CR_CIR_BASE_ADDR_HI) << 8) | - nvt_cr_read(nvt, CR_CIR_BASE_ADDR_LO)); - pr_reg(" * CR CIR IRQ NUM: 0x%x\n", - nvt_cr_read(nvt, CR_CIR_IRQ_RSRC)); - - nvt_efm_disable(nvt); - - pr_reg("%s: Dump CIR registers:\n", NVT_DRIVER_NAME); - pr_reg(" * IRCON: 0x%x\n", nvt_cir_reg_read(nvt, CIR_IRCON)); - pr_reg(" * IRSTS: 0x%x\n", nvt_cir_reg_read(nvt, CIR_IRSTS)); - pr_reg(" * IREN: 0x%x\n", nvt_cir_reg_read(nvt, CIR_IREN)); - pr_reg(" * RXFCONT: 0x%x\n", nvt_cir_reg_read(nvt, CIR_RXFCONT)); - pr_reg(" * CP: 0x%x\n", nvt_cir_reg_read(nvt, CIR_CP)); - pr_reg(" * CC: 0x%x\n", nvt_cir_reg_read(nvt, CIR_CC)); - pr_reg(" * SLCH: 0x%x\n", nvt_cir_reg_read(nvt, CIR_SLCH)); - pr_reg(" * SLCL: 0x%x\n", nvt_cir_reg_read(nvt, CIR_SLCL)); - pr_reg(" * FIFOCON: 0x%x\n", nvt_cir_reg_read(nvt, CIR_FIFOCON)); - pr_reg(" * IRFIFOSTS: 0x%x\n", nvt_cir_reg_read(nvt, CIR_IRFIFOSTS)); - pr_reg(" * SRXFIFO: 0x%x\n", nvt_cir_reg_read(nvt, CIR_SRXFIFO)); - pr_reg(" * TXFCONT: 0x%x\n", nvt_cir_reg_read(nvt, CIR_TXFCONT)); - pr_reg(" * STXFIFO: 0x%x\n", nvt_cir_reg_read(nvt, CIR_STXFIFO)); - pr_reg(" * FCCH: 0x%x\n", nvt_cir_reg_read(nvt, CIR_FCCH)); - pr_reg(" * FCCL: 0x%x\n", nvt_cir_reg_read(nvt, CIR_FCCL)); - pr_reg(" * IRFSM: 0x%x\n", nvt_cir_reg_read(nvt, CIR_IRFSM)); -} - -/* dump current cir wake register contents */ -static void cir_wake_dump_regs(struct nvt_dev *nvt) -{ - u8 i, fifo_len; - - nvt_efm_enable(nvt); - nvt_select_logical_dev(nvt, LOGICAL_DEV_CIR_WAKE); - - pr_reg("%s: Dump CIR WAKE logical device registers:\n", - NVT_DRIVER_NAME); - pr_reg(" * CR CIR WAKE ACTIVE : 0x%x\n", - nvt_cr_read(nvt, CR_LOGICAL_DEV_EN)); - pr_reg(" * CR CIR WAKE BASE ADDR: 0x%x\n", - (nvt_cr_read(nvt, CR_CIR_BASE_ADDR_HI) << 8) | - nvt_cr_read(nvt, CR_CIR_BASE_ADDR_LO)); - pr_reg(" * CR CIR WAKE IRQ NUM: 0x%x\n", - nvt_cr_read(nvt, CR_CIR_IRQ_RSRC)); - - nvt_efm_disable(nvt); - - pr_reg("%s: Dump CIR WAKE registers\n", NVT_DRIVER_NAME); - pr_reg(" * IRCON: 0x%x\n", - nvt_cir_wake_reg_read(nvt, CIR_WAKE_IRCON)); - pr_reg(" * IRSTS: 0x%x\n", - nvt_cir_wake_reg_read(nvt, CIR_WAKE_IRSTS)); - pr_reg(" * IREN: 0x%x\n", - nvt_cir_wake_reg_read(nvt, CIR_WAKE_IREN)); - pr_reg(" * FIFO CMP DEEP: 0x%x\n", - nvt_cir_wake_reg_read(nvt, CIR_WAKE_FIFO_CMP_DEEP)); - pr_reg(" * FIFO CMP TOL: 0x%x\n", - nvt_cir_wake_reg_read(nvt, CIR_WAKE_FIFO_CMP_TOL)); - pr_reg(" * FIFO COUNT: 0x%x\n", - nvt_cir_wake_reg_read(nvt, CIR_WAKE_FIFO_COUNT)); - pr_reg(" * SLCH: 0x%x\n", - nvt_cir_wake_reg_read(nvt, CIR_WAKE_SLCH)); - pr_reg(" * SLCL: 0x%x\n", - nvt_cir_wake_reg_read(nvt, CIR_WAKE_SLCL)); - pr_reg(" * FIFOCON: 0x%x\n", - nvt_cir_wake_reg_read(nvt, CIR_WAKE_FIFOCON)); - pr_reg(" * SRXFSTS: 0x%x\n", - nvt_cir_wake_reg_read(nvt, CIR_WAKE_SRXFSTS)); - pr_reg(" * SAMPLE RX FIFO: 0x%x\n", - nvt_cir_wake_reg_read(nvt, CIR_WAKE_SAMPLE_RX_FIFO)); - pr_reg(" * WR FIFO DATA: 0x%x\n", - nvt_cir_wake_reg_read(nvt, CIR_WAKE_WR_FIFO_DATA)); - pr_reg(" * RD FIFO ONLY: 0x%x\n", - nvt_cir_wake_reg_read(nvt, CIR_WAKE_RD_FIFO_ONLY)); - pr_reg(" * RD FIFO ONLY IDX: 0x%x\n", - nvt_cir_wake_reg_read(nvt, CIR_WAKE_RD_FIFO_ONLY_IDX)); - pr_reg(" * FIFO IGNORE: 0x%x\n", - nvt_cir_wake_reg_read(nvt, CIR_WAKE_FIFO_IGNORE)); - pr_reg(" * IRFSM: 0x%x\n", - nvt_cir_wake_reg_read(nvt, CIR_WAKE_IRFSM)); - - fifo_len = nvt_cir_wake_reg_read(nvt, CIR_WAKE_FIFO_COUNT); - pr_reg("%s: Dump CIR WAKE FIFO (len %d)\n", NVT_DRIVER_NAME, fifo_len); - pr_reg("* Contents = "); - for (i = 0; i < fifo_len; i++) - printk(KERN_CONT "%02x ", - nvt_cir_wake_reg_read(nvt, CIR_WAKE_RD_FIFO_ONLY)); - printk(KERN_CONT "\n"); -} - -/* detect hardware features */ -static int nvt_hw_detect(struct nvt_dev *nvt) -{ - unsigned long flags; - u8 chip_major, chip_minor; - int ret = 0; - - nvt_efm_enable(nvt); - - /* Check if we're wired for the alternate EFER setup */ - chip_major = nvt_cr_read(nvt, CR_CHIP_ID_HI); - if (chip_major == 0xff) { - nvt->cr_efir = CR_EFIR2; - nvt->cr_efdr = CR_EFDR2; - nvt_efm_enable(nvt); - chip_major = nvt_cr_read(nvt, CR_CHIP_ID_HI); - } - - chip_minor = nvt_cr_read(nvt, CR_CHIP_ID_LO); - nvt_dbg("%s: chip id: 0x%02x 0x%02x", chip_id, chip_major, chip_minor); - - if (chip_major != CHIP_ID_HIGH && - (chip_minor != CHIP_ID_LOW || chip_minor != CHIP_ID_LOW2)) - ret = -ENODEV; - - nvt_efm_disable(nvt); - - spin_lock_irqsave(&nvt->nvt_lock, flags); - nvt->chip_major = chip_major; - nvt->chip_minor = chip_minor; - spin_unlock_irqrestore(&nvt->nvt_lock, flags); - - return ret; -} - -static void nvt_cir_ldev_init(struct nvt_dev *nvt) -{ - u8 val; - - /* output pin selection (Pin95=CIRRX, Pin96=CIRTX1, WB enabled */ - val = nvt_cr_read(nvt, CR_OUTPUT_PIN_SEL); - val &= OUTPUT_PIN_SEL_MASK; - val |= (OUTPUT_ENABLE_CIR | OUTPUT_ENABLE_CIRWB); - nvt_cr_write(nvt, val, CR_OUTPUT_PIN_SEL); - - /* Select CIR logical device and enable */ - nvt_select_logical_dev(nvt, LOGICAL_DEV_CIR); - nvt_cr_write(nvt, LOGICAL_DEV_ENABLE, CR_LOGICAL_DEV_EN); - - nvt_cr_write(nvt, nvt->cir_addr >> 8, CR_CIR_BASE_ADDR_HI); - nvt_cr_write(nvt, nvt->cir_addr & 0xff, CR_CIR_BASE_ADDR_LO); - - nvt_cr_write(nvt, nvt->cir_irq, CR_CIR_IRQ_RSRC); - - nvt_dbg("CIR initialized, base io port address: 0x%lx, irq: %d", - nvt->cir_addr, nvt->cir_irq); -} - -static void nvt_cir_wake_ldev_init(struct nvt_dev *nvt) -{ - /* Select ACPI logical device, enable it and CIR Wake */ - nvt_select_logical_dev(nvt, LOGICAL_DEV_ACPI); - nvt_cr_write(nvt, LOGICAL_DEV_ENABLE, CR_LOGICAL_DEV_EN); - - /* Enable CIR Wake via PSOUT# (Pin60) */ - nvt_set_reg_bit(nvt, CIR_WAKE_ENABLE_BIT, CR_ACPI_CIR_WAKE); - - /* enable cir interrupt of mouse/keyboard IRQ event */ - nvt_set_reg_bit(nvt, CIR_INTR_MOUSE_IRQ_BIT, CR_ACPI_IRQ_EVENTS); - - /* enable pme interrupt of cir wakeup event */ - nvt_set_reg_bit(nvt, PME_INTR_CIR_PASS_BIT, CR_ACPI_IRQ_EVENTS2); - - /* Select CIR Wake logical device and enable */ - nvt_select_logical_dev(nvt, LOGICAL_DEV_CIR_WAKE); - nvt_cr_write(nvt, LOGICAL_DEV_ENABLE, CR_LOGICAL_DEV_EN); - - nvt_cr_write(nvt, nvt->cir_wake_addr >> 8, CR_CIR_BASE_ADDR_HI); - nvt_cr_write(nvt, nvt->cir_wake_addr & 0xff, CR_CIR_BASE_ADDR_LO); - - nvt_cr_write(nvt, nvt->cir_wake_irq, CR_CIR_IRQ_RSRC); - - nvt_dbg("CIR Wake initialized, base io port address: 0x%lx, irq: %d", - nvt->cir_wake_addr, nvt->cir_wake_irq); -} - -/* clear out the hardware's cir rx fifo */ -static void nvt_clear_cir_fifo(struct nvt_dev *nvt) -{ - u8 val; - - val = nvt_cir_reg_read(nvt, CIR_FIFOCON); - nvt_cir_reg_write(nvt, val | CIR_FIFOCON_RXFIFOCLR, CIR_FIFOCON); -} - -/* clear out the hardware's cir wake rx fifo */ -static void nvt_clear_cir_wake_fifo(struct nvt_dev *nvt) -{ - u8 val; - - val = nvt_cir_wake_reg_read(nvt, CIR_WAKE_FIFOCON); - nvt_cir_wake_reg_write(nvt, val | CIR_WAKE_FIFOCON_RXFIFOCLR, - CIR_WAKE_FIFOCON); -} - -/* clear out the hardware's cir tx fifo */ -static void nvt_clear_tx_fifo(struct nvt_dev *nvt) -{ - u8 val; - - val = nvt_cir_reg_read(nvt, CIR_FIFOCON); - nvt_cir_reg_write(nvt, val | CIR_FIFOCON_TXFIFOCLR, CIR_FIFOCON); -} - -/* enable RX Trigger Level Reach and Packet End interrupts */ -static void nvt_set_cir_iren(struct nvt_dev *nvt) -{ - u8 iren; - - iren = CIR_IREN_RTR | CIR_IREN_PE; - nvt_cir_reg_write(nvt, iren, CIR_IREN); -} - -static void nvt_cir_regs_init(struct nvt_dev *nvt) -{ - /* set sample limit count (PE interrupt raised when reached) */ - nvt_cir_reg_write(nvt, CIR_RX_LIMIT_COUNT >> 8, CIR_SLCH); - nvt_cir_reg_write(nvt, CIR_RX_LIMIT_COUNT & 0xff, CIR_SLCL); - - /* set fifo irq trigger levels */ - nvt_cir_reg_write(nvt, CIR_FIFOCON_TX_TRIGGER_LEV | - CIR_FIFOCON_RX_TRIGGER_LEV, CIR_FIFOCON); - - /* - * Enable TX and RX, specify carrier on = low, off = high, and set - * sample period (currently 50us) - */ - nvt_cir_reg_write(nvt, - CIR_IRCON_TXEN | CIR_IRCON_RXEN | - CIR_IRCON_RXINV | CIR_IRCON_SAMPLE_PERIOD_SEL, - CIR_IRCON); - - /* clear hardware rx and tx fifos */ - nvt_clear_cir_fifo(nvt); - nvt_clear_tx_fifo(nvt); - - /* clear any and all stray interrupts */ - nvt_cir_reg_write(nvt, 0xff, CIR_IRSTS); - - /* and finally, enable interrupts */ - nvt_set_cir_iren(nvt); -} - -static void nvt_cir_wake_regs_init(struct nvt_dev *nvt) -{ - /* set number of bytes needed for wake key comparison (default 67) */ - nvt_cir_wake_reg_write(nvt, CIR_WAKE_FIFO_LEN, CIR_WAKE_FIFO_CMP_DEEP); - - /* set tolerance/variance allowed per byte during wake compare */ - nvt_cir_wake_reg_write(nvt, CIR_WAKE_CMP_TOLERANCE, - CIR_WAKE_FIFO_CMP_TOL); - - /* set sample limit count (PE interrupt raised when reached) */ - nvt_cir_wake_reg_write(nvt, CIR_RX_LIMIT_COUNT >> 8, CIR_WAKE_SLCH); - nvt_cir_wake_reg_write(nvt, CIR_RX_LIMIT_COUNT & 0xff, CIR_WAKE_SLCL); - - /* set cir wake fifo rx trigger level (currently 67) */ - nvt_cir_wake_reg_write(nvt, CIR_WAKE_FIFOCON_RX_TRIGGER_LEV, - CIR_WAKE_FIFOCON); - - /* - * Enable TX and RX, specific carrier on = low, off = high, and set - * sample period (currently 50us) - */ - nvt_cir_wake_reg_write(nvt, CIR_WAKE_IRCON_MODE0 | CIR_WAKE_IRCON_RXEN | - CIR_WAKE_IRCON_R | CIR_WAKE_IRCON_RXINV | - CIR_WAKE_IRCON_SAMPLE_PERIOD_SEL, - CIR_WAKE_IRCON); - - /* clear cir wake rx fifo */ - nvt_clear_cir_wake_fifo(nvt); - - /* clear any and all stray interrupts */ - nvt_cir_wake_reg_write(nvt, 0xff, CIR_WAKE_IRSTS); -} - -static void nvt_enable_wake(struct nvt_dev *nvt) -{ - nvt_efm_enable(nvt); - - nvt_select_logical_dev(nvt, LOGICAL_DEV_ACPI); - nvt_set_reg_bit(nvt, CIR_WAKE_ENABLE_BIT, CR_ACPI_CIR_WAKE); - nvt_set_reg_bit(nvt, CIR_INTR_MOUSE_IRQ_BIT, CR_ACPI_IRQ_EVENTS); - nvt_set_reg_bit(nvt, PME_INTR_CIR_PASS_BIT, CR_ACPI_IRQ_EVENTS2); - - nvt_select_logical_dev(nvt, LOGICAL_DEV_CIR_WAKE); - nvt_cr_write(nvt, LOGICAL_DEV_ENABLE, CR_LOGICAL_DEV_EN); - - nvt_efm_disable(nvt); - - nvt_cir_wake_reg_write(nvt, CIR_WAKE_IRCON_MODE0 | CIR_WAKE_IRCON_RXEN | - CIR_WAKE_IRCON_R | CIR_WAKE_IRCON_RXINV | - CIR_WAKE_IRCON_SAMPLE_PERIOD_SEL, - CIR_WAKE_IRCON); - nvt_cir_wake_reg_write(nvt, 0xff, CIR_WAKE_IRSTS); - nvt_cir_wake_reg_write(nvt, 0, CIR_WAKE_IREN); -} - -/* rx carrier detect only works in learning mode, must be called w/nvt_lock */ -static u32 nvt_rx_carrier_detect(struct nvt_dev *nvt) -{ - u32 count, carrier, duration = 0; - int i; - - count = nvt_cir_reg_read(nvt, CIR_FCCL) | - nvt_cir_reg_read(nvt, CIR_FCCH) << 8; - - for (i = 0; i < nvt->pkts; i++) { - if (nvt->buf[i] & BUF_PULSE_BIT) - duration += nvt->buf[i] & BUF_LEN_MASK; - } - - duration *= SAMPLE_PERIOD; - - if (!count || !duration) { - nvt_pr(KERN_NOTICE, "Unable to determine carrier! (c:%u, d:%u)", - count, duration); - return 0; - } - - carrier = (count * 1000000) / duration; - - if ((carrier > MAX_CARRIER) || (carrier < MIN_CARRIER)) - nvt_dbg("WTF? Carrier frequency out of range!"); - - nvt_dbg("Carrier frequency: %u (count %u, duration %u)", - carrier, count, duration); - - return carrier; -} - -/* - * set carrier frequency - * - * set carrier on 2 registers: CP & CC - * always set CP as 0x81 - * set CC by SPEC, CC = 3MHz/carrier - 1 - */ -static int nvt_set_tx_carrier(void *data, u32 carrier) -{ - struct nvt_dev *nvt = data; - u16 val; - - nvt_cir_reg_write(nvt, 1, CIR_CP); - val = 3000000 / (carrier) - 1; - nvt_cir_reg_write(nvt, val & 0xff, CIR_CC); - - nvt_dbg("cp: 0x%x cc: 0x%x\n", - nvt_cir_reg_read(nvt, CIR_CP), nvt_cir_reg_read(nvt, CIR_CC)); - - return 0; -} - -/* - * nvt_tx_ir - * - * 1) clean TX fifo first (handled by AP) - * 2) copy data from user space - * 3) disable RX interrupts, enable TX interrupts: TTR & TFU - * 4) send 9 packets to TX FIFO to open TTR - * in interrupt_handler: - * 5) send all data out - * go back to write(): - * 6) disable TX interrupts, re-enable RX interupts - * - * The key problem of this function is user space data may larger than - * driver's data buf length. So nvt_tx_ir() will only copy TX_BUF_LEN data to - * buf, and keep current copied data buf num in cur_buf_num. But driver's buf - * number may larger than TXFCONT (0xff). So in interrupt_handler, it has to - * set TXFCONT as 0xff, until buf_count less than 0xff. - */ -static int nvt_tx_ir(void *priv, int *txbuf, u32 n) -{ - struct nvt_dev *nvt = priv; - unsigned long flags; - size_t cur_count; - unsigned int i; - u8 iren; - int ret; - - spin_lock_irqsave(&nvt->tx.lock, flags); - - if (n >= TX_BUF_LEN) { - nvt->tx.buf_count = cur_count = TX_BUF_LEN; - ret = TX_BUF_LEN; - } else { - nvt->tx.buf_count = cur_count = n; - ret = n; - } - - memcpy(nvt->tx.buf, txbuf, nvt->tx.buf_count); - - nvt->tx.cur_buf_num = 0; - - /* save currently enabled interrupts */ - iren = nvt_cir_reg_read(nvt, CIR_IREN); - - /* now disable all interrupts, save TFU & TTR */ - nvt_cir_reg_write(nvt, CIR_IREN_TFU | CIR_IREN_TTR, CIR_IREN); - - nvt->tx.tx_state = ST_TX_REPLY; - - nvt_cir_reg_write(nvt, CIR_FIFOCON_TX_TRIGGER_LEV_8 | - CIR_FIFOCON_RXFIFOCLR, CIR_FIFOCON); - - /* trigger TTR interrupt by writing out ones, (yes, it's ugly) */ - for (i = 0; i < 9; i++) - nvt_cir_reg_write(nvt, 0x01, CIR_STXFIFO); - - spin_unlock_irqrestore(&nvt->tx.lock, flags); - - wait_event(nvt->tx.queue, nvt->tx.tx_state == ST_TX_REQUEST); - - spin_lock_irqsave(&nvt->tx.lock, flags); - nvt->tx.tx_state = ST_TX_NONE; - spin_unlock_irqrestore(&nvt->tx.lock, flags); - - /* restore enabled interrupts to prior state */ - nvt_cir_reg_write(nvt, iren, CIR_IREN); - - return ret; -} - -/* dump contents of the last rx buffer we got from the hw rx fifo */ -static void nvt_dump_rx_buf(struct nvt_dev *nvt) -{ - int i; - - printk(KERN_DEBUG "%s (len %d): ", __func__, nvt->pkts); - for (i = 0; (i < nvt->pkts) && (i < RX_BUF_LEN); i++) - printk(KERN_CONT "0x%02x ", nvt->buf[i]); - printk(KERN_CONT "\n"); -} - -/* - * Process raw data in rx driver buffer, store it in raw IR event kfifo, - * trigger decode when appropriate. - * - * We get IR data samples one byte at a time. If the msb is set, its a pulse, - * otherwise its a space. The lower 7 bits are the count of SAMPLE_PERIOD - * (default 50us) intervals for that pulse/space. A discrete signal is - * followed by a series of 0x7f packets, then either 0x7<something> or 0x80 - * to signal more IR coming (repeats) or end of IR, respectively. We store - * sample data in the raw event kfifo until we see 0x7<something> (except f) - * or 0x80, at which time, we trigger a decode operation. - */ -static void nvt_process_rx_ir_data(struct nvt_dev *nvt) -{ - DEFINE_IR_RAW_EVENT(rawir); - unsigned int count; - u32 carrier; - u8 sample; - int i; - - nvt_dbg_verbose("%s firing", __func__); - - if (debug) - nvt_dump_rx_buf(nvt); - - if (nvt->carrier_detect_enabled) - carrier = nvt_rx_carrier_detect(nvt); - - count = nvt->pkts; - nvt_dbg_verbose("Processing buffer of len %d", count); - - for (i = 0; i < count; i++) { - nvt->pkts--; - sample = nvt->buf[i]; - - rawir.pulse = ((sample & BUF_PULSE_BIT) != 0); - rawir.duration = (sample & BUF_LEN_MASK) - * SAMPLE_PERIOD * 1000; - - if ((sample & BUF_LEN_MASK) == BUF_LEN_MASK) { - if (nvt->rawir.pulse == rawir.pulse) - nvt->rawir.duration += rawir.duration; - else { - nvt->rawir.duration = rawir.duration; - nvt->rawir.pulse = rawir.pulse; - } - continue; - } - - rawir.duration += nvt->rawir.duration; - - init_ir_raw_event(&nvt->rawir); - nvt->rawir.duration = 0; - nvt->rawir.pulse = rawir.pulse; - - if (sample == BUF_PULSE_BIT) - rawir.pulse = false; - - if (rawir.duration) { - nvt_dbg("Storing %s with duration %d", - rawir.pulse ? "pulse" : "space", - rawir.duration); - - ir_raw_event_store(nvt->rdev, &rawir); - } - - /* - * BUF_PULSE_BIT indicates end of IR data, BUF_REPEAT_BYTE - * indicates end of IR signal, but new data incoming. In both - * cases, it means we're ready to call ir_raw_event_handle - */ - if (sample == BUF_PULSE_BIT || ((sample != BUF_LEN_MASK) && - (sample & BUF_REPEAT_MASK) == BUF_REPEAT_BYTE)) - ir_raw_event_handle(nvt->rdev); - } - - if (nvt->pkts) { - nvt_dbg("Odd, pkts should be 0 now... (its %u)", nvt->pkts); - nvt->pkts = 0; - } - - nvt_dbg_verbose("%s done", __func__); -} - -static void nvt_handle_rx_fifo_overrun(struct nvt_dev *nvt) -{ - nvt_pr(KERN_WARNING, "RX FIFO overrun detected, flushing data!"); - - nvt->pkts = 0; - nvt_clear_cir_fifo(nvt); - ir_raw_event_reset(nvt->rdev); -} - -/* copy data from hardware rx fifo into driver buffer */ -static void nvt_get_rx_ir_data(struct nvt_dev *nvt) -{ - unsigned long flags; - u8 fifocount, val; - unsigned int b_idx; - bool overrun = false; - int i; - - /* Get count of how many bytes to read from RX FIFO */ - fifocount = nvt_cir_reg_read(nvt, CIR_RXFCONT); - /* if we get 0xff, probably means the logical dev is disabled */ - if (fifocount == 0xff) - return; - /* watch out for a fifo overrun condition */ - else if (fifocount > RX_BUF_LEN) { - overrun = true; - fifocount = RX_BUF_LEN; - } - - nvt_dbg("attempting to fetch %u bytes from hw rx fifo", fifocount); - - spin_lock_irqsave(&nvt->nvt_lock, flags); - - b_idx = nvt->pkts; - - /* This should never happen, but lets check anyway... */ - if (b_idx + fifocount > RX_BUF_LEN) { - nvt_process_rx_ir_data(nvt); - b_idx = 0; - } - - /* Read fifocount bytes from CIR Sample RX FIFO register */ - for (i = 0; i < fifocount; i++) { - val = nvt_cir_reg_read(nvt, CIR_SRXFIFO); - nvt->buf[b_idx + i] = val; - } - - nvt->pkts += fifocount; - nvt_dbg("%s: pkts now %d", __func__, nvt->pkts); - - nvt_process_rx_ir_data(nvt); - - if (overrun) - nvt_handle_rx_fifo_overrun(nvt); - - spin_unlock_irqrestore(&nvt->nvt_lock, flags); -} - -static void nvt_cir_log_irqs(u8 status, u8 iren) -{ - nvt_pr(KERN_INFO, "IRQ 0x%02x (IREN 0x%02x) :%s%s%s%s%s%s%s%s%s", - status, iren, - status & CIR_IRSTS_RDR ? " RDR" : "", - status & CIR_IRSTS_RTR ? " RTR" : "", - status & CIR_IRSTS_PE ? " PE" : "", - status & CIR_IRSTS_RFO ? " RFO" : "", - status & CIR_IRSTS_TE ? " TE" : "", - status & CIR_IRSTS_TTR ? " TTR" : "", - status & CIR_IRSTS_TFU ? " TFU" : "", - status & CIR_IRSTS_GH ? " GH" : "", - status & ~(CIR_IRSTS_RDR | CIR_IRSTS_RTR | CIR_IRSTS_PE | - CIR_IRSTS_RFO | CIR_IRSTS_TE | CIR_IRSTS_TTR | - CIR_IRSTS_TFU | CIR_IRSTS_GH) ? " ?" : ""); -} - -static bool nvt_cir_tx_inactive(struct nvt_dev *nvt) -{ - unsigned long flags; - bool tx_inactive; - u8 tx_state; - - spin_lock_irqsave(&nvt->tx.lock, flags); - tx_state = nvt->tx.tx_state; - spin_unlock_irqrestore(&nvt->tx.lock, flags); - - tx_inactive = (tx_state == ST_TX_NONE); - - return tx_inactive; -} - -/* interrupt service routine for incoming and outgoing CIR data */ -static irqreturn_t nvt_cir_isr(int irq, void *data) -{ - struct nvt_dev *nvt = data; - u8 status, iren, cur_state; - unsigned long flags; - - nvt_dbg_verbose("%s firing", __func__); - - nvt_efm_enable(nvt); - nvt_select_logical_dev(nvt, LOGICAL_DEV_CIR); - nvt_efm_disable(nvt); - - /* - * Get IR Status register contents. Write 1 to ack/clear - * - * bit: reg name - description - * 7: CIR_IRSTS_RDR - RX Data Ready - * 6: CIR_IRSTS_RTR - RX FIFO Trigger Level Reach - * 5: CIR_IRSTS_PE - Packet End - * 4: CIR_IRSTS_RFO - RX FIFO Overrun (RDR will also be set) - * 3: CIR_IRSTS_TE - TX FIFO Empty - * 2: CIR_IRSTS_TTR - TX FIFO Trigger Level Reach - * 1: CIR_IRSTS_TFU - TX FIFO Underrun - * 0: CIR_IRSTS_GH - Min Length Detected - */ - status = nvt_cir_reg_read(nvt, CIR_IRSTS); - if (!status) { - nvt_dbg_verbose("%s exiting, IRSTS 0x0", __func__); - nvt_cir_reg_write(nvt, 0xff, CIR_IRSTS); - return IRQ_RETVAL(IRQ_NONE); - } - - /* ack/clear all irq flags we've got */ - nvt_cir_reg_write(nvt, status, CIR_IRSTS); - nvt_cir_reg_write(nvt, 0, CIR_IRSTS); - - /* Interrupt may be shared with CIR Wake, bail if CIR not enabled */ - iren = nvt_cir_reg_read(nvt, CIR_IREN); - if (!iren) { - nvt_dbg_verbose("%s exiting, CIR not enabled", __func__); - return IRQ_RETVAL(IRQ_NONE); - } - - if (debug) - nvt_cir_log_irqs(status, iren); - - if (status & CIR_IRSTS_RTR) { - /* FIXME: add code for study/learn mode */ - /* We only do rx if not tx'ing */ - if (nvt_cir_tx_inactive(nvt)) - nvt_get_rx_ir_data(nvt); - } - - if (status & CIR_IRSTS_PE) { - if (nvt_cir_tx_inactive(nvt)) - nvt_get_rx_ir_data(nvt); - - spin_lock_irqsave(&nvt->nvt_lock, flags); - - cur_state = nvt->study_state; - - spin_unlock_irqrestore(&nvt->nvt_lock, flags); - - if (cur_state == ST_STUDY_NONE) - nvt_clear_cir_fifo(nvt); - } - - if (status & CIR_IRSTS_TE) - nvt_clear_tx_fifo(nvt); - - if (status & CIR_IRSTS_TTR) { - unsigned int pos, count; - u8 tmp; - - spin_lock_irqsave(&nvt->tx.lock, flags); - - pos = nvt->tx.cur_buf_num; - count = nvt->tx.buf_count; - - /* Write data into the hardware tx fifo while pos < count */ - if (pos < count) { - nvt_cir_reg_write(nvt, nvt->tx.buf[pos], CIR_STXFIFO); - nvt->tx.cur_buf_num++; - /* Disable TX FIFO Trigger Level Reach (TTR) interrupt */ - } else { - tmp = nvt_cir_reg_read(nvt, CIR_IREN); - nvt_cir_reg_write(nvt, tmp & ~CIR_IREN_TTR, CIR_IREN); - } - - spin_unlock_irqrestore(&nvt->tx.lock, flags); - - } - - if (status & CIR_IRSTS_TFU) { - spin_lock_irqsave(&nvt->tx.lock, flags); - if (nvt->tx.tx_state == ST_TX_REPLY) { - nvt->tx.tx_state = ST_TX_REQUEST; - wake_up(&nvt->tx.queue); - } - spin_unlock_irqrestore(&nvt->tx.lock, flags); - } - - nvt_dbg_verbose("%s done", __func__); - return IRQ_RETVAL(IRQ_HANDLED); -} - -/* Interrupt service routine for CIR Wake */ -static irqreturn_t nvt_cir_wake_isr(int irq, void *data) -{ - u8 status, iren, val; - struct nvt_dev *nvt = data; - unsigned long flags; - - nvt_dbg_wake("%s firing", __func__); - - status = nvt_cir_wake_reg_read(nvt, CIR_WAKE_IRSTS); - if (!status) - return IRQ_RETVAL(IRQ_NONE); - - if (status & CIR_WAKE_IRSTS_IR_PENDING) - nvt_clear_cir_wake_fifo(nvt); - - nvt_cir_wake_reg_write(nvt, status, CIR_WAKE_IRSTS); - nvt_cir_wake_reg_write(nvt, 0, CIR_WAKE_IRSTS); - - /* Interrupt may be shared with CIR, bail if Wake not enabled */ - iren = nvt_cir_wake_reg_read(nvt, CIR_WAKE_IREN); - if (!iren) { - nvt_dbg_wake("%s exiting, wake not enabled", __func__); - return IRQ_RETVAL(IRQ_HANDLED); - } - - if ((status & CIR_WAKE_IRSTS_PE) && - (nvt->wake_state == ST_WAKE_START)) { - while (nvt_cir_wake_reg_read(nvt, CIR_WAKE_RD_FIFO_ONLY_IDX)) { - val = nvt_cir_wake_reg_read(nvt, CIR_WAKE_RD_FIFO_ONLY); - nvt_dbg("setting wake up key: 0x%x", val); - } - - nvt_cir_wake_reg_write(nvt, 0, CIR_WAKE_IREN); - spin_lock_irqsave(&nvt->nvt_lock, flags); - nvt->wake_state = ST_WAKE_FINISH; - spin_unlock_irqrestore(&nvt->nvt_lock, flags); - } - - nvt_dbg_wake("%s done", __func__); - return IRQ_RETVAL(IRQ_HANDLED); -} - -static void nvt_enable_cir(struct nvt_dev *nvt) -{ - /* set function enable flags */ - nvt_cir_reg_write(nvt, CIR_IRCON_TXEN | CIR_IRCON_RXEN | - CIR_IRCON_RXINV | CIR_IRCON_SAMPLE_PERIOD_SEL, - CIR_IRCON); - - nvt_efm_enable(nvt); - - /* enable the CIR logical device */ - nvt_select_logical_dev(nvt, LOGICAL_DEV_CIR); - nvt_cr_write(nvt, LOGICAL_DEV_ENABLE, CR_LOGICAL_DEV_EN); - - nvt_efm_disable(nvt); - - /* clear all pending interrupts */ - nvt_cir_reg_write(nvt, 0xff, CIR_IRSTS); - - /* enable interrupts */ - nvt_set_cir_iren(nvt); -} - -static void nvt_disable_cir(struct nvt_dev *nvt) -{ - /* disable CIR interrupts */ - nvt_cir_reg_write(nvt, 0, CIR_IREN); - - /* clear any and all pending interrupts */ - nvt_cir_reg_write(nvt, 0xff, CIR_IRSTS); - - /* clear all function enable flags */ - nvt_cir_reg_write(nvt, 0, CIR_IRCON); - - /* clear hardware rx and tx fifos */ - nvt_clear_cir_fifo(nvt); - nvt_clear_tx_fifo(nvt); - - nvt_efm_enable(nvt); - - /* disable the CIR logical device */ - nvt_select_logical_dev(nvt, LOGICAL_DEV_CIR); - nvt_cr_write(nvt, LOGICAL_DEV_DISABLE, CR_LOGICAL_DEV_EN); - - nvt_efm_disable(nvt); -} - -static int nvt_open(void *data) -{ - struct nvt_dev *nvt = (struct nvt_dev *)data; - unsigned long flags; - - spin_lock_irqsave(&nvt->nvt_lock, flags); - nvt->in_use = true; - nvt_enable_cir(nvt); - spin_unlock_irqrestore(&nvt->nvt_lock, flags); - - return 0; -} - -static void nvt_close(void *data) -{ - struct nvt_dev *nvt = (struct nvt_dev *)data; - unsigned long flags; - - spin_lock_irqsave(&nvt->nvt_lock, flags); - nvt->in_use = false; - nvt_disable_cir(nvt); - spin_unlock_irqrestore(&nvt->nvt_lock, flags); -} - -/* Allocate memory, probe hardware, and initialize everything */ -static int nvt_probe(struct pnp_dev *pdev, const struct pnp_device_id *dev_id) -{ - struct nvt_dev *nvt = NULL; - struct input_dev *rdev = NULL; - struct ir_dev_props *props = NULL; - int ret = -ENOMEM; - - nvt = kzalloc(sizeof(struct nvt_dev), GFP_KERNEL); - if (!nvt) - return ret; - - props = kzalloc(sizeof(struct ir_dev_props), GFP_KERNEL); - if (!props) - goto failure; - - /* input device for IR remote (and tx) */ - rdev = input_allocate_device(); - if (!rdev) - goto failure; - - ret = -ENODEV; - /* validate pnp resources */ - if (!pnp_port_valid(pdev, 0) || - pnp_port_len(pdev, 0) < CIR_IOREG_LENGTH) { - dev_err(&pdev->dev, "IR PNP Port not valid!\n"); - goto failure; - } - - if (!pnp_irq_valid(pdev, 0)) { - dev_err(&pdev->dev, "PNP IRQ not valid!\n"); - goto failure; - } - - if (!pnp_port_valid(pdev, 1) || - pnp_port_len(pdev, 1) < CIR_IOREG_LENGTH) { - dev_err(&pdev->dev, "Wake PNP Port not valid!\n"); - goto failure; - } - - nvt->cir_addr = pnp_port_start(pdev, 0); - nvt->cir_irq = pnp_irq(pdev, 0); - - nvt->cir_wake_addr = pnp_port_start(pdev, 1); - /* irq is always shared between cir and cir wake */ - nvt->cir_wake_irq = nvt->cir_irq; - - nvt->cr_efir = CR_EFIR; - nvt->cr_efdr = CR_EFDR; - - spin_lock_init(&nvt->nvt_lock); - spin_lock_init(&nvt->tx.lock); - init_ir_raw_event(&nvt->rawir); - - ret = -EBUSY; - /* now claim resources */ - if (!request_region(nvt->cir_addr, - CIR_IOREG_LENGTH, NVT_DRIVER_NAME)) - goto failure; - - if (request_irq(nvt->cir_irq, nvt_cir_isr, IRQF_SHARED, - NVT_DRIVER_NAME, (void *)nvt)) - goto failure; - - if (!request_region(nvt->cir_wake_addr, - CIR_IOREG_LENGTH, NVT_DRIVER_NAME)) - goto failure; - - if (request_irq(nvt->cir_wake_irq, nvt_cir_wake_isr, IRQF_SHARED, - NVT_DRIVER_NAME, (void *)nvt)) - goto failure; - - pnp_set_drvdata(pdev, nvt); - nvt->pdev = pdev; - - init_waitqueue_head(&nvt->tx.queue); - - ret = nvt_hw_detect(nvt); - if (ret) - goto failure; - - /* Initialize CIR & CIR Wake Logical Devices */ - nvt_efm_enable(nvt); - nvt_cir_ldev_init(nvt); - nvt_cir_wake_ldev_init(nvt); - nvt_efm_disable(nvt); - - /* Initialize CIR & CIR Wake Config Registers */ - nvt_cir_regs_init(nvt); - nvt_cir_wake_regs_init(nvt); - - /* Set up ir-core props */ - props->priv = nvt; - props->driver_type = RC_DRIVER_IR_RAW; - props->allowed_protos = IR_TYPE_ALL; - props->open = nvt_open; - props->close = nvt_close; -#if 0 - props->min_timeout = XYZ; - props->max_timeout = XYZ; - props->timeout = XYZ; - /* rx resolution is hardwired to 50us atm, 1, 25, 100 also possible */ - props->rx_resolution = XYZ; - - /* tx bits */ - props->tx_resolution = XYZ; -#endif - props->tx_ir = nvt_tx_ir; - props->s_tx_carrier = nvt_set_tx_carrier; - - rdev->name = "Nuvoton w836x7hg Infrared Remote Transceiver"; - rdev->id.bustype = BUS_HOST; - rdev->id.vendor = PCI_VENDOR_ID_WINBOND2; - rdev->id.product = nvt->chip_major; - rdev->id.version = nvt->chip_minor; - - nvt->props = props; - nvt->rdev = rdev; - - device_set_wakeup_capable(&pdev->dev, 1); - device_set_wakeup_enable(&pdev->dev, 1); - - ret = ir_input_register(rdev, RC_MAP_RC6_MCE, props, NVT_DRIVER_NAME); - if (ret) - goto failure; - - nvt_pr(KERN_NOTICE, "driver has been successfully loaded\n"); - if (debug) { - cir_dump_regs(nvt); - cir_wake_dump_regs(nvt); - } - - return 0; - -failure: - if (nvt->cir_irq) - free_irq(nvt->cir_irq, nvt); - if (nvt->cir_addr) - release_region(nvt->cir_addr, CIR_IOREG_LENGTH); - - if (nvt->cir_wake_irq) - free_irq(nvt->cir_wake_irq, nvt); - if (nvt->cir_wake_addr) - release_region(nvt->cir_wake_addr, CIR_IOREG_LENGTH); - - input_free_device(rdev); - kfree(props); - kfree(nvt); - - return ret; -} - -static void __devexit nvt_remove(struct pnp_dev *pdev) -{ - struct nvt_dev *nvt = pnp_get_drvdata(pdev); - unsigned long flags; - - spin_lock_irqsave(&nvt->nvt_lock, flags); - /* disable CIR */ - nvt_cir_reg_write(nvt, 0, CIR_IREN); - nvt_disable_cir(nvt); - /* enable CIR Wake (for IR power-on) */ - nvt_enable_wake(nvt); - spin_unlock_irqrestore(&nvt->nvt_lock, flags); - - /* free resources */ - free_irq(nvt->cir_irq, nvt); - free_irq(nvt->cir_wake_irq, nvt); - release_region(nvt->cir_addr, CIR_IOREG_LENGTH); - release_region(nvt->cir_wake_addr, CIR_IOREG_LENGTH); - - ir_input_unregister(nvt->rdev); - - kfree(nvt->props); - kfree(nvt); -} - -static int nvt_suspend(struct pnp_dev *pdev, pm_message_t state) -{ - struct nvt_dev *nvt = pnp_get_drvdata(pdev); - unsigned long flags; - - nvt_dbg("%s called", __func__); - - /* zero out misc state tracking */ - spin_lock_irqsave(&nvt->nvt_lock, flags); - nvt->study_state = ST_STUDY_NONE; - nvt->wake_state = ST_WAKE_NONE; - spin_unlock_irqrestore(&nvt->nvt_lock, flags); - - spin_lock_irqsave(&nvt->tx.lock, flags); - nvt->tx.tx_state = ST_TX_NONE; - spin_unlock_irqrestore(&nvt->tx.lock, flags); - - /* disable all CIR interrupts */ - nvt_cir_reg_write(nvt, 0, CIR_IREN); - - nvt_efm_enable(nvt); - - /* disable cir logical dev */ - nvt_select_logical_dev(nvt, LOGICAL_DEV_CIR); - nvt_cr_write(nvt, LOGICAL_DEV_DISABLE, CR_LOGICAL_DEV_EN); - - nvt_efm_disable(nvt); - - /* make sure wake is enabled */ - nvt_enable_wake(nvt); - - return 0; -} - -static int nvt_resume(struct pnp_dev *pdev) -{ - int ret = 0; - struct nvt_dev *nvt = pnp_get_drvdata(pdev); - - nvt_dbg("%s called", __func__); - - /* open interrupt */ - nvt_set_cir_iren(nvt); - - /* Enable CIR logical device */ - nvt_efm_enable(nvt); - nvt_select_logical_dev(nvt, LOGICAL_DEV_CIR); - nvt_cr_write(nvt, LOGICAL_DEV_ENABLE, CR_LOGICAL_DEV_EN); - - nvt_efm_disable(nvt); - - nvt_cir_regs_init(nvt); - nvt_cir_wake_regs_init(nvt); - - return ret; -} - -static void nvt_shutdown(struct pnp_dev *pdev) -{ - struct nvt_dev *nvt = pnp_get_drvdata(pdev); - nvt_enable_wake(nvt); -} - -static const struct pnp_device_id nvt_ids[] = { - { "WEC0530", 0 }, /* CIR */ - { "NTN0530", 0 }, /* CIR for new chip's pnp id*/ - { "", 0 }, -}; - -static struct pnp_driver nvt_driver = { - .name = NVT_DRIVER_NAME, - .id_table = nvt_ids, - .flags = PNP_DRIVER_RES_DO_NOT_CHANGE, - .probe = nvt_probe, - .remove = __devexit_p(nvt_remove), - .suspend = nvt_suspend, - .resume = nvt_resume, - .shutdown = nvt_shutdown, -}; - -int nvt_init(void) -{ - return pnp_register_driver(&nvt_driver); -} - -void nvt_exit(void) -{ - pnp_unregister_driver(&nvt_driver); -} - -module_param(debug, int, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(debug, "Enable debugging output"); - -MODULE_DEVICE_TABLE(pnp, nvt_ids); -MODULE_DESCRIPTION("Nuvoton W83667HG-A & W83677HG-I CIR driver"); - -MODULE_AUTHOR("Jarod Wilson <jarod@redhat.com>"); -MODULE_LICENSE("GPL"); - -module_init(nvt_init); -module_exit(nvt_exit); |